4493 UK companies working in the energy sector.
Swale Heating keep over 140,000 households across the South East, London and East Anglia safe and warm. Contact us today to find out about our service
Swan Environmental Services is a multidisciplinary company established in 2007, offering a wide range of environmental, waste management, civil engine
SWARCO UK & IRELAND LTD is a market leader in Intelligent Transportation Systems (ITS), providing reliable mobility solutions worldwide. They offer a
Sweco UK is a leader in design, engineering and environmental consultancy, delivering integrated solutions across buildings, transport, water, energy,
Sweet Projects is a single-source turnkey construction company that designs and constructs data centres and built environments for the defence and ene
Gloucestershire's leading electrician firm. Swift Electrical of Cheltenham cover all types of electrical contracting work: Domestic, Commercial, Renew
Expert renewable energy installers specialising in solar panels, heat pumps, and boilers across the UK. We help homes and businesses go green.
Swiftline Engineering provides smart, cost-effective mechanical and electrical engineering solutions, focusing on design, installation, and maintenanc
Swiss Electrical provides expert electrical services in Northamptonshire, including EV charger installation, solar panel systems, rewiring, lighting,
Switch Energy Network installs fully funded energy efficiency measures via the ECO4 Scheme, including insulation, glazing, and solar PV systems.
Switch On Ltd delivers expert electrical engineering for solar, BESS and ICP projects across the UK. Trusted, accredited and compliant.
Switchable Insulation Innovations Limited develops climate-responsive insulation panels that reduce heating & cooling energy demands by 30-50%.
Switchd is an impartial service that searches the energy market daily, automatically switching you to the best energy deals to save you money.
NIC EIC approved contractors delivering maintenance, renewables, and complex installations across South West England and South Wales.
Switchgear Solutions specialises in the installation, testing, maintenance, and operation of MV & LV electrical equipment, prioritising safety and qua
Sword Construction UK Limited is an established civil engineering contractor operating across a range of sectors including highways, rail, water treat
SY Ecofit is a social enterprise focused on decarbonising South Yorkshire through home and community building retrofit projects, building community we
Symbiona is a provider of wastewater treatment technology, water recycling, and organic waste fermentation. They offer solutions for biogas and bioene
SYNECO Ltd specialises in the design and installation of renewable energy systems, including high-efficiency solar panels, advanced battery storage, a
Local experts in EV charger installation in Canterbury, bringing the future of driving to the South East. Family-run business installing the latest EV
Synergy Power Ltd: Established domestic and commercial solar PV installers, battery storage experts, and renewable energy specialists across England.
Synth Solar designs, installs and monitors commercial solar and battery systems across the UK. MCS certified, real-time monitoring, award-winning serv
UK specialists in perimeter security for critical infrastructure & high-security sites. NPSA-approved design, installation & 24/7 support.
System Group MEP is a full service electrical, mechanical and renewable contractor. We have successfully delivered projects of all sizes for the publi
We provide the opportunity for you to have a free, no obligation survey from a solar professional to advise on new developments within the industry an
T J Porter Heating Solutions is a renewable energy & heating engineer covering plumbing repairs to full solar installations in domestic and commercial
T J Hazell provides innovative engineering solutions for complex infrastructure and development projects, specialising in civil, structural, and build
TK Murray is a family-run business with over 50 years of experience providing high-quality heating, electrical, and renewable solutions across Scotlan
TSL Contractors: leading West of Scotland construction & civil engineering experts with 45+ years experience. Delivering diverse projects across the U
NIC EIC Approved Electricians across Yorkshire & Lancashire. Specialising in solar installation, EV chargers, and comprehensive electrical services fo
Tactical Energy Systems offers a whole-home approach to energy efficiency, providing homeowners with tailored advice and high-quality installation ser
TAG Renewables Ltd offers professional installation of solar panels and air source heat pumps, alongside ground source heat pumps and biomass boilers,
TAG UK Services Ltd is a trusted and reliable electrical company in and around Gravesend-trusted local electricians for homes and commercial businesse
Harnessing the collective strength of our partners, Taiyo Power & Storage is committed to creating quality-driven renewable energy projects that have
Talsie specialises in providing solar energy and battery storage solutions for farm and commercial land sites nationwide.
Family run oil tank installation & replacement specialists throughout Northern Scotland including Inverness and the Highlands.
Tanzen champions energy freedom through innovative heat and solar power solutions. Specialising in efficient, electric heating systems and battery sto
Tapp Renewables Ltd offers comprehensive renewable energy and boiler solutions in Essex and Hertfordshire, with over 17 years of experience.
TAQA SHAMS LTD provides consultancy, financing, contracting, operation and maintenance of turnkey solar energy projects, aiming to lead the renewable
Task Contract Solutions Ltd delivers innovative construction and renewable energy solutions, focusing on sustainability, decarbonisation, and energy-e
Partner with TaskEnergy for safe, efficient and future-ready homes. We provide heating, maintenance and full decarbonisation solutions across the UK.
Taylor and Fraser is a leading Mechanical Engineering, Construction, and Electrical Engineering firm established in 1906. They offer expertise across
Taylor Electrical Controls Ltd offers expert electrical services for commercial and industrial clients across the Midlands, with over 45 years of expe
Taylor Solar Ltd specialises in Solar PV and Professional Roofing installations for the domestic market, aiming to improve installation standards and
Taylor Woodrow is a leading UK infrastructure company, delivering complex engineering solutions for energy, transportation, and strategic infrastructu
M&E installations and thermal insulation services for diverse sectors including retail, leisure, industrial, education, and pharmaceutical.
TCI Renewables is a leading independent renewable energy business engaged in the development, construction, and operation of wind energy projects acro
TCOMET provides communication and safety solutions for tunnelling and mining projects worldwide, offering integrated systems for robust networks, real
TCS Solutions Ltd provides domestic, commercial, and industrial plumbing, heating, electrical, gas, oil, LPG, and renewable energy services in Souther
TCW Renewables are renewable energy specialists, offering services related to wind turbines and their data. They provide live data and trend analysis
Planyard connects cost estimating, budgets and committed costs in one live system, and handles your CIS and VAT calculations automatically.